The lifespans of the light bulbs produced by a Filip Company are normally distributed with a mean of 1150 hours and a standard deviation of 175 hours. (Note: For z-scores, round off to two decimal places.) What is the probability that a randomly chosen light bulb will have a lifespan of more than 1000 hours? 19.77% 80.51% 19.49% 80.23%
The lifespans of the light bulbs produced by a Filip Company are normally distributed with a mean of 1150 hours and a standard deviation of 175 hours. (Note: For z-scores, round off to two decimal places.) What is the probability that a randomly chosen light bulb will have a lifespan of more than 1000 hours? 19.77% 80.51% 19.49% 80.23%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
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The lifespans of the light bulbs produced by a Filip Company are
normally distributed with a mean of 1150 hours and a standard deviation of 175 hours. (Note: For z-scores, round off to two decimal places.)What is the probability that a randomly chosen light bulb will have a lifespan of more than 1000 hours?
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19.77%
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80.51%
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19.49%
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80.23%
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